Keystones — Bedrock
Five GCSE retrieval questions · 6 July 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 20
Answer: 49 + 20 = 69 -
2. Algebra Substitution
If x = 5, find the value of 6x + 12
Answer: 42 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:32
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 18, 16, 14, 19, 11
Answer: 15.6